Proface PS4800 - 19 Panel PC" - Manual (Page 46)

Dimensions/Assembly
46
CAUTION
OVERTORQUE AND LOOSE HARDWARE
z Do not exert more than 0.5 N•m (4.5 lb-in) of torque when tightening the
installation fastener, enclosure, accessory, or terminal block screws. Tightening
the screws with excessive force can damage the plastic casing of the Industrial
Personal Computer.
z When installing or removing screws, ensure that they do not fall inside the
Industrial Personal Computer chassis.
Failure to follow these instructions can result in injury or equipment damage.